<!--  -->
<template>
    <div class="page-container">
        <div class="header-panel">
            <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" label-width="68px">
                <el-form-item label="菜单名称" prop="menuName">
                    <el-input v-model="queryParams.menuName" placeholder="请输入菜单名称" clearable />
                </el-form-item>
                <el-form-item>
                    <el-button type="primary" icon="el-icon-search"  @click="handleQuery">搜索</el-button>
                    <el-button type="primary" plain icon="el-icon-plus"  @click="handleAdd"
                        v-hasPermi="['system:menu:add']">新增</el-button>
                    <el-button type="info" plain icon="el-icon-sort"
                        @click="toggleExpandAll">展开/折叠</el-button>
                </el-form-item>
            </el-form>
        </div>

        <el-table v-if="refreshTable" v-loading="loading" :data="menuList" row-key="menuId" size="medium"
            :default-expand-all="isExpandAll" :tree-props="{ children: 'children', hasChildren: 'hasChildren' }">
            <el-table-column prop="menuName" label="菜单名称" :show-overflow-tooltip="true" width="240">
                <template slot-scope="scope">
                    <span v-if="scope.row.menuType=='M'">
                        <i class="el-icon-folder" />
                    </span>
                    <span v-else>
                        <i class="el-icon-document" />
                    </span>
                    <span style="margin-left: 10px">{{ scope.row.menuName }}</span>
                </template>
            </el-table-column>
            <el-table-column prop="orderNum" align="center" label="排序" width="60"></el-table-column>
            <el-table-column prop="perms" align="center" label="权限标识" :show-overflow-tooltip="true"></el-table-column>
            <el-table-column prop="component" align="center" label="组件路径" :show-overflow-tooltip="true"></el-table-column>
            <el-table-column label="创建时间" align="center" prop="createTime"></el-table-column>
            <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
                <template slot-scope="scope">
                    <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
                        v-hasPermi="['system:menu:edit']">修改</el-button>
                    <el-button size="mini" type="text" icon="el-icon-plus" @click="handleAdd(scope.row)"
                        v-hasPermi="['system:menu:add']">新增</el-button>
                    <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
                        v-hasPermi="['system:menu:remove']">删除</el-button>
                </template>
            </el-table-column>
        </el-table>

        <!-- 添加或修改菜单对话框 -->
        <el-dialog :title="title" :visible.sync="open" width="480px" append-to-body @close="closeDialog">
            <el-form ref="form" :model="form" :rules="rules" label-width="100px">
                <el-row>
                    <el-col :span="24">
                        <el-form-item label="上级菜单">
                            <treeselect v-model="form.parentId" :options="menuOptions" :normalizer="normalizer"
                                :show-count="true" placeholder="选择上级菜单" />
                        </el-form-item>
                    </el-col>
                    <el-col :span="24">
                        <el-form-item label="菜单类型" prop="menuType">
                            <el-radio-group v-model="form.menuType">
                                <el-radio label="M">目录</el-radio>
                                <el-radio label="C">菜单</el-radio>
                                <el-radio label="F">按钮</el-radio>
                            </el-radio-group>
                        </el-form-item>
                    </el-col>

                    <el-col :span="24">
                        <el-form-item label="菜单名称" prop="menuName">
                            <el-input v-model="form.menuName" placeholder="请输入菜单名称" />
                        </el-form-item>
                    </el-col>
                    <el-col :span="24">
                        <el-form-item label="显示排序" prop="orderNum">
                            <el-input-number v-model="form.orderNum" controls-position="right" :min="0" />
                        </el-form-item>
                    </el-col>

                    <el-col :span="24" v-if="form.menuType != 'F'">
                        <el-form-item prop="path">
                            <span slot="label">
                                <el-tooltip content="访问的路由地址，如：`user`，如外网地址需内链访问则以`http(s)://`开头" placement="top">
                                    <i class="el-icon-question"></i>
                                </el-tooltip>
                                路由地址
                            </span>
                            <el-input v-model="form.path" placeholder="请输入路由地址" />
                        </el-form-item>
                    </el-col>
                    <el-col :span="24" v-if="form.menuType == 'C'">
                        <el-form-item prop="component">
                            <span slot="label">
                                <el-tooltip content="访问的组件路径，如：`system/user/index`，默认在`views`目录下" placement="top">
                                    <i class="el-icon-question"></i>
                                </el-tooltip>
                                组件路径
                            </span>
                            <el-input v-model="form.component" placeholder="请输入组件路径" />
                        </el-form-item>
                    </el-col>
                    <el-col :span="24">
                        <el-form-item>
                            <el-input v-model="form.perms" placeholder="请输入权限标识" maxlength="100" />
                            <span slot="label">
                                <el-tooltip content="控制器中定义的权限字符，如：@PreAuthorize(`@ss.hasPermi('system:user:list')`)"
                                    placement="top">
                                    <i class="el-icon-question"></i>
                                </el-tooltip>
                                权限字符
                            </span>
                        </el-form-item>
                    </el-col>



                </el-row>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button type="primary" @click="submitForm">确 定</el-button>
                <el-button @click="open = false">取 消</el-button>
            </div>
        </el-dialog>


    </div>

</template>

<script>
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
export default {
    components: { Treeselect },
    data() {
        return {
            // 遮罩层
            loading: true,
            // 显示搜索条件
            showSearch: true,
            // 菜单表格树数据
            menuList: [],
            // 菜单树选项
            menuOptions: [],
            // 弹出层标题
            title: "",
            // 是否显示弹出层
            open: false,
            // 是否展开，默认全部折叠
            isExpandAll: false,
            // 重新渲染表格状态
            refreshTable: true,
            // 查询参数
            queryParams: {
                menuName: undefined,
                visible: undefined
            },
            // 表单参数
            form: {
                menuId: undefined,
                parentId: 0,
                menuName: undefined,
                icon: undefined,
                menuType: "M",
                orderNum: undefined,
                isFrame: "1",
                isCache: "0",
                visible: "0",
                status: "0"
            },
            // 表单校验
            rules: {
                menuName: [
                    { required: true, message: "菜单名称不能为空", trigger: "blur" }
                ],
                orderNum: [
                    { required: true, message: "菜单顺序不能为空", trigger: "blur" }
                ],
                path: [
                    { required: true, message: "路由地址不能为空", trigger: "blur" }
                ]
            }
        }
    },
    computed: {},
    created() {
        this.getList();
    },
    mounted() { },
    methods: {

        /** 查询菜单列表 */
        getList() {
            this.loading = true;
            this.listMenu().then((res) => {
                if (res.code === 200) {
                    this.menuList = this.handleTree(res.data, "menuId");
                    this.loading = false;
                }
            })
        },
        /** 转换菜单数据结构 */
        normalizer(node) {
            if (node.children && !node.children.length) {
                delete node.children;
            }
            return {
                id: node.menuId,
                label: node.menuName,
                children: node.children
            };
        },
        /** 搜索按钮操作 */
        handleQuery() {
            this.getList();
        },
        /** 新增按钮操作 */
        handleAdd(row) {
            this.getTreeselect();
            if (row != null && row.menuId) {
                this.form.parentId = row.menuId;
            } else {
                this.form.parentId = 0;
            }
            this.open = true;
            this.title = "添加菜单";
        },
        listMenu() {
            return this.$request({
                url: 'baseApi/system/menu/list',
                method: 'get',
                params: this.queryParams
            })
        },
        /** 查询菜单下拉树结构 */
        getTreeselect() {
            this.listMenu().then(res => {
                this.menuOptions = [];
                const menu = { menuId: 0, menuName: '主类目', children: [] };
                menu.children = this.handleTree(res.data, "menuId");
                this.menuOptions.push(menu);
            });
        },
        /** 修改按钮操作 */
        handleUpdate(row) {
            this.getTreeselect();
            this.$request({
                url: 'baseApi/system/menu/' + row.menuId,
                method: 'get',
            }).then(response => {
                this.form = response.data;
                this.open = true;
                this.title = "修改菜单";
            });
        },
        /** 提交按钮 */
        submitForm: function () {
            this.$refs["form"].validate(valid => {
                if (valid) {
                    let url = ''
                    if (this.form.menuId != undefined) {
                        url = '/baseApi/system/menu/udpate'
                    } else {
                        url = '/baseApi/system/menu/insert'
                    }
                    this.$request({
                        url: url,
                        method: 'post',
                        data: this.form
                    }).then((res) => {
                        if (res.code === 200) {
                            this.open = false;
                            this.$message({
                                message: '操作成功',
                                type: 'success'
                            });
                            this.handleQuery()
                        }
                    })
                }
            });
        },
        /** 删除按钮操作 */
        handleDelete(row) {
            this.$confirm('是否确认删除名称为"' + row.menuName + '"的数据项？').then(() => {
                    this.$request({
                        url: '/baseApi/system/menu/delete',
                        method: 'get',
                        params: {
                            menuId: row.menuId
                        }
                    }).then((res) => {
                        if (res.code === 200) {
                            this.$message({
                                message: '操作成功',
                                type: 'success'
                            });
                            this.handleQuery()
                        }
                    })
                }).catch(() => { });
        },
        /** 展开/折叠操作 */
        toggleExpandAll() {
            this.refreshTable = false;
            this.isExpandAll = !this.isExpandAll;
            this.$nextTick(() => {
                this.refreshTable = true;
            });
        },
        closeDialog() {
            this.resetForm()
        },
        resetForm() {
            this.$data.form = this.$options.data().form
            this.$refs.form && this.$refs.form.resetFields()
        },
    },
}
</script>
<style lang="scss" scoped>
//@import url(); 引入公共css类样式</style>